51452564 has 24 divisors (see below), whose sum is σ = 95292288. Its totient is φ = 24258080.

The previous prime is 51452563. The next prime is 51452573. The reversal of 51452564 is 46525415.

It is a self number, because there is not a number n which added to its sum of digits gives 51452564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51452563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2594 + ... + 10470.

It is an arithmetic number, because the mean of its divisors is an integer number (3970512).

Almost surely, 2^51452564 is an apocalyptic number.

It is an amenable number.

51452564 is a deficient number, since it is larger than the sum of its proper divisors (43839724).

51452564 is a wasteful number, since it uses less digits than its factorization.

51452564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7975 (or 7973 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

The square root of 51452564 is about 7173.0442630727. The cubic root of 51452564 is about 371.9366774709.

Adding to 51452564 its reverse (46525415), we get a palindrome (97977979).

The spelling of 51452564 in words is "fifty-one million, four hundred fifty-two thousand, five hundred sixty-four".